Given the following code:



public static void main(String[] args) {
    String[] planets = {"Mercury", "Venus", "Earth", "Mars"};

    System.out.println(planets.length);
    System.out.println(planets[1].length());
}

What is the output?
A.

4
4

B.

3
5

C.

4
7

D.

5
4

E.

4
5

F.

4
21

題解

planets是一個長度為4的字串陣列。planets[1]所參考到的字串物件是「Venus」，長度為5。